NVIDIA Quadro K620 vs AMD Instinct MI300A

VS

We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 128GB VRAM AMD Instinct MI300A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K620 's Advantages

Lower TDP (45W vs 760W)

AMD Instinct MI300A 's Advantages

Released 9 years and 5 months late

Boost Clock has increased by 87% (2100MHz vs 1124MHz)

More VRAM (128GB vs 2GB)

Larger VRAM bandwidth (5300GB/s vs 28.80GB/s)

14208 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K620

0.863 TFLOPS

AMD Instinct MI300A +14106%

122.6 TFLOPS

Quadro K620

VS

AMD Instinct MI300A

Graphics Card

Jul 2014

Release Date

Dec 2023

Quadro

Generation

Instinct

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1058 MHz

Base Clock

1000 MHz

1124 MHz

Boost Clock

2100 MHz

900 MHz

Memory Clock

5200 MHz

Memory

2GB

Memory Size

128GB

DDR3

Memory Type

HBM3

128bit

Memory Bus

8192bit

28.80GB/s

Bandwidth

5300GB/s

Render Config

-

SM Count

-

Compute Units

228

384

Shading Units

14592

24

TMUs

880

16

ROPs

0

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

16 MB

Theoretical Performance

17.98 GPixel/s

Pixel Rate

0 MPixel/s

26.98 GTexel/s

Texture Rate

1496 GTexel/s

-

FP16 (half)

980.6 TFLOPS

863.2 GFLOPS

FP32 (float)

122.6 TFLOPS

26.98 GFLOPS

FP64 (double)

61.3 TFLOPS

Graphics Processor

GM107

GPU Name

MI300

GM107-850-A2

GPU Variant

-

Maxwell

Architecture

CDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

1.87 billion

Transistors

146 billion

148 mm²

Die Size

1017 mm²

Board Design

45W

TDP

760W

200 W

Suggested PSU

1000 W

1x DVI 1x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

N/A

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